[PATCH] D36433: [KnownBits][ValueTracking] Move the math for calculating known bits for add/sub into a static method in KnownBits object
Craig Topper via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Mon Aug 7 15:52:12 PDT 2017
craig.topper created this revision.
Herald added a subscriber: mgorny.
I want to reuse this code in SimplifyDemandedBits handling of Add/Sub. This will make that easier.
Wonder if we should use it in SelectionDAG's computeKnownBits too.
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